44572769 has 2 divisors, whose sum is σ = 44572770. Its totient is φ = 44572768.

The previous prime is 44572751. The next prime is 44572799. The reversal of 44572769 is 96727544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 150544 = 6665^2 + 388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44572769 is a prime.

It is a super-2 number, since 2×44572769² = 3973463472654722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44572729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22286384 + 22286385.

It is an arithmetic number, because the mean of its divisors is an integer number (22286385).

Almost surely, 2^44572769 is an apocalyptic number.

It is an amenable number.

44572769 is a deficient number, since it is larger than the sum of its proper divisors (1).

44572769 is an equidigital number, since it uses as much as digits as its factorization.

44572769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 44572769 is about 6676.2840712480. The cubic root of 44572769 is about 354.5601084514.

The spelling of 44572769 in words is "forty-four million, five hundred seventy-two thousand, seven hundred sixty-nine".